Swapping a green spring into a unit designed for a different color without verifying the gas regulator capacity and pressure ratings can lead to over-pressurization or lock-up issues

Common Questions: Can this spring be used in 325-5 series regulators

particularly when paired with 3098 series mercury-style or mechanical pilot safeties

Durable Construction: Heavy-duty metal housing designed to resist thermal stress within the draft inducer assembly

As the system cools to 130°F

Honeywell 311852 Spring Swapping a green spring intoThe Honeywell 311852 spring is a critical component for maintaining precise pressure control in commercial HVACR pneumatic systems. Engineering grade and brown in color, this replacement spring is specifically designed for use with 8 inch MP953A and MP953C Series pneumatic actuators. It calibrated for a 2 7 PSI spring range, ensuring accurate proportional control of steam, hot water, or chilled water valves. This veteran technician approved part is